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Difficulty: MediumSpatial Awareness and Blind Spot Management

A driver traveling in the center lane of a three-lane urban roadway intends to move into the right-hand lane. A delivery van previously observed behind in the right lane is no longer visible in either the interior rearview mirror or the right side mirror. What action must the driver take to safely verify the van's position before initiating the lane change?

  1. Perform a physical chin-to-shoulder head check over the right shoulder to inspect the right rear blind spot directly.Answer
  2. B
    Adjust the right side mirror further outward until the missing vehicle reappears in the glass.
  3. C
    Lean forward toward the steering wheel to scan the interior rearview mirror from a wider angle.
  4. D
    Signal the lane change immediately and rely exclusively on the vehicle's electronic blind-spot monitoring system.

Answer

Perform a physical chin-to-shoulder head check over the right shoulder to inspect the right rear blind spot directly.
Performing a physical chin-to-shoulder head check over the shoulder allows the driver to directly view the area adjacent to the vehicle's rear quarter panel that mirrors cannot reflect. This is the required procedure before initiating any lane change.

Step-by-Step Solution

1
Recognize mirror coverage boundaries.
Identify that a vehicle hidden from both rearview and side mirrors has entered the vehicle's blind spot.
Mirrors provide a limited angle of reflection and leave unmonitored zones along the rear sides of the car.
2
Perform the mandatory visual verification.
Turn the head over the right shoulder toward the adjacent lane before steering.
A physical head check directly aligns the driver's line of sight with the blind spot to confirm the lane is clear.

Key Concept

Spatial Awareness and Blind Spot Management
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Topics

Spatial Awareness and Blind Spot Management

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